Features: Experience the convenience of portable power with our DIY Solder frees Single 18650 Battery Case Power Supply, a must get accessory for on the go charging. Crafted from plastic, this Small and Portable Power Supply set comes in multiple color, featuring a Small USB input (5V1A) and USB output (5V1A) for easy connection. Suitable for individuals who need a reliable emergency power sources for their smartphones, tablets, headphones, and gaming devices without the hassle of soldering. Whether you're indoors or exploring the outdoors, this Power Supply case ensures your devices stay charges, making it perfect for travel, camping, or daily commutes. Simply insert your own flat top 18650 battery into this user friendly Power Supply case, and enjoy the peace that comes with illuminates indicator that turns when fully charges. Specifications: Material: plastic Size: about 28x99mm/1.1x3.9inch Package Includes: 1 set DIY Power Supply Case note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.